Eyeglass constrnction



s. J. cwma EYEGLASS CONSTRUCTION Filed April 16, 19 23 Hxql- IN VEN TOR ZP f/ f 62 04 ff.

BY z NW A TTORNEY e ("0, c unity of Erisixf, inc,

have m-"P'ni'ed an mz'iim'ink line of the if: wntion is 130 pmvifio a constructmn ahiive nature prac'iicn and eificieni 3nd "t0 meet the reqniremenis 0'5 115 1113 satisfactory manner; fur

is to provide such construc- V is in agpenance and c9 '0 the P0215) am} c0n 'euie11ce Qbjoc'it is in pro-e .(1 H ng-mraiiniied ha in ar-:3 obvious yereimfzter. Eon accordingly consists in Kim wnstruci'iom cm'nif'nathtms 0" arrm; mm parts, all 1 7 ci escribefi herein an 01" H10 :1 plicafimpni which win a) x the fallow-"in Y ciaimis.

mzcon'ipanyin e or more 01* he s 'ber' 10 the recess r a secure connection is obtained.

projections preferably ms ably tinned throughout its length eml :1 poi tion thereof is'clipped in suitable flux, ivlrereupon the coils of that portion ere reaiily solrlei'ecl together to form n desired relatively rigid portion 1%".

The portion of die meniber 14 within the recess 13 is presided adj: "-112 its end with b iii form of a, pan of opsosiiely rlisposerl flanges 15 formed nhei'eon. These flanges 15 embedded in the non-meliallio member ill as shown serve to provide at firm, clepeeoisole eom1ee-. tion between. tile extension M- end tl flelaocly member 10 avoiding danger of the ester s'ion 1 iturning in the recess 13 or losing withdrawn therefroim J I11 joining the extension 141 and. boil mem "3 is preferably. firs formed, for example, by drilling. Tine portion of the member 10 about the recess rosy then be soffened by heating 0; other and the end of the member 14- lieviog the flanges 15 formecl thereon may she-o be forced into the recess sod into place therein. The material of the memberlll" is then pressed firmly in about thememoer l4 and The is per-eel end 11 may be formed before or she insertion of the extension member 1 as is- (issued.

As before mentionei the reels port-ion the metallic extension 14; is answer subst' tiolly to the contour of an eer -peee at 14;. A Z1011- .-elzzllie strip or riblfoii of o'elluloidor other suitablem is l in any desirerl manner i0 suitable cross is tion having been first softened to s suit-sole, ale Lee as by heating or immersion in as soilebll: solvent solution is now Wound soiroll upon the metallic extension 1. the extension 14 thus forming a suitable core cl I or. Preferably, however, the ribbon if iifler being shaped mo softened above scribed is Woundupon sole-able mmlrel of substantially the diameter of sore and after forming thereon is thereupon-g slipped over the extension is: from its stool remote from the body member 1Q 1?. the strip 1? is shown as having s lion proviriing an outer Solis; face 17 and em ro'aziiflso against. the sore. The ii L I thus forms a srilis' zsnsislly eoirt' sinus soil ssentislly smoell'i ester or surface {or the curved eer-pieem'whilefixe iimer our l feces 17' permit izlie PGfiOl} e mg oi the 1 spirally 'wosrio ribbon l? min the flexible ,The elicl portion. of ills,

core 14; witliost disturlair'zg she alignment of "outer flex; surfaces formed. by the surfsees all 0 the body member 1% is wou rl opera 0:.

ro'imgis the tapered estension'il of 'blz-e me; bar 3.10 After she 17 has lasers {'JUMQU;

seem-1s and iomisol in e sgirsl. cable upon a suitable mandrel as above described, preferably a porsion of the material thereof is removed from the inner walls of the part of the cable which lo fit over rl'ze tapered extension 11, and the bore of the cable at this portion is thereby made to conform to the general 0011* tour or the tapered extension 11 This is clearly shown at 18 in Fig. 1, and it will be seen lhsl; the inner rounded surface of the sp ral serip 1'! is made flat so that a relative larger surface of contact between the strip 17. soil the extension ii is obtained. Also, he fies exterior surface 17 of the strip is lvslantially flush with the surface of the member 10 all; the shoulder 12 and. a generally uniform exterior contour of the temple be? i, lied, Wi llie end portion of the spiral s rip 3."? ii in place upon the part 1T1. abuzfiiogslie shoulder 12, these psrts may lie nested in some suitable menner'to cause the consenting parts to flow and merge L oly s slrlorl distimoe from the irilele core member 14, as is Elie-extreme eofi of the core erelaly ilireeried, as 1 shown more 1.1,: 331d threaded thereon is 21 her l of mometellio material the me as we 1'1 T e 2O joined em, coil oi "she strip 1'? b" means of molding or csmexr'ainggj and films ones a clepencleoie snol'rorsge for the end, of the strip if? ass-Well as e smooli muscled goal. for the mar ner:

1. The main amt-metallic 0 terminates n ixllfi, A me-- is fitted Within. s recess-13' g a relafcively rigid portion 14- resrwarcily substantially to s provides with flanges 15 st iis porvithin the recess 13; substantially scribed wi i regard to Fig. 1 Upon the l upon 9;. suitable ms'nlrel as bellied and. out lo the requiredere cemented or rflzlierwise'sesls sir of nen metsllic 0 and 3-1. Thereupori over the metsllie core.

are esp 39 is thentlrrended,

7 the sore and snugly up er 3i. is i-lizs warmer, if

"Elie othe end the spiral ship 17 tormi ie'r so sloutsthe and 1% of,

.o elmvenyentiohozl insure .e firs connection Um "parts are thus IOIZ'IML curved flexible porbio'n 14 1,527,1l8.- Siephen J. 1111126 Atflebom, Massf'iflmeziess CONSTRUCTION. Patenk {la-Jedi February 17 192.). Diszcieimer filed October 15, 1.925, by the assigneel. Bay State Optical (70. I

The WOl'd flexible 115 used flimugimnt she, ei aims, and specificall claims 1, 2, 5 6,9, 12 13,14,15, 1-6, 17, 2 20:, end26,"iieb1ewm0 broa an interpretation, and s0- interpretei? m CHYCL' elements he; intended to be covered by this term, the liability to such possibie inter eta'tibn net being igtendefi -01 foreseen and. ihus being accidental, it is hereby stated. that the seiii'terrri flei'ibie as thus used mes/11s noi soli and self i155 and havingan ease 0f fiexin Qfthe order- 0i that of a coiled member, and any broader meaning or interpretm lqnfofsueh termis hereby dlsclmmed.

Further t0 clarify the term flexible, noi-eniy in in'brinsic meaning: bfit' with relation to the main body portion, and torestrict the latter term and, disclaim possible unduly broad interpremtion thereof, ii; is herebv stated thatb the term Ina-in body portion as used throughout the claims, an specifi ciflly c aims 12, 13, 14,15, 16, 1'7, 19 910, ii. 2b, 27, 2,9, and 30, is meant; a member large in circmnferenceand relatively nonflexibie as a whoip, as ooz'npared with the flexible metallic extension, and of a circumfereme SLfl)EE&ni2Lny equal to or larger than the entire extension, metallic andmmn'ietellic, and a broader intm-pret'tign or meaning of the said term is hereby disciaimed. 

